Finding the Fourth Proportional to 13,130,981.00, 19,699,128.83 and 4,611,981.77
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Solution
The fourth proportional to 13,130,981.00, 19,699,128.83 and 4,611,981.77 is: 6,918,905.99
Step by Step Solution
- Step 1: Write the proportion equation
13,130,981.00 : 19,699,128.83 = 4,611,981.77 : x - Step 2: Convert to fraction form
13,130,981.00/19,699,128.83 = 4,611,981.77/x - Step 3: Cross multiply
13,130,981.00x = 19,699,128.83 × 4,611,981.77 - Step 4: Simplify right side
13,130,981.00x = 90,852,023,145,372.73 - Step 5: Solve for x
x = 90,852,023,145,372.73/13,130,981.00 - Step 6: Final answer
x = 6,918,905.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.